Home / 51,159.35-76,747.60-23,078.72

Finding the Fourth Proportional to 51,159.35, 76,747.60 and 23,078.72

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Solution

The fourth proportional to 51,159.35, 76,747.60 and 23,078.72 is: 34,621.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    51,159.35 : 76,747.60 = 23,078.72 : x
  2. Step 2: Convert to fraction form
    51,159.35/76,747.60 = 23,078.72/x
  3. Step 3: Cross multiply
    51,159.35x = 76,747.60 × 23,078.72
  4. Step 4: Simplify right side
    51,159.35x = 1,771,236,591.79
  5. Step 5: Solve for x
    x = 1,771,236,591.79/51,159.35
  6. Step 6: Final answer
    x = 34,621.95

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.